Cao Dayuan

Cáo Dàyuán, born January 26, 1962) is a professional Go player.

Biography
Cao started learning Go when he was 11. He won the 4th World Amateur Go Championship in 1982 and turned professional in 1985. He was promoted to 9 dan in 1986.

Titles & runners-up
Ranks #10 in total number of titles in China.